Veritas Volume Manager 4.1 Administrator's Guide (HP-UX 11i v3, February 2007)

Reorganizing the Contents of Disk Groups
158 VERITAS Volume Manager Administrator’s Guide
◆ join—removes all VxVM objects from an imported disk group and moves them to an
imported target disk group. The source disk group is removed when the join is
complete. The join operation is illustrated in “Disk Group Join Operation” on
page 158.
Disk Group Join Operation
These operations are performed on VxVM objects such as disks or top-level volumes, and
include all component objects such as sub-volumes, plexes and subdisks. The objects to be
moved must be self-contained, meaning that the disks that are moved must not contain any
other objects that are not intended for the move.
If you specify one or more disks to be moved, all VxVM objects on the disks are moved.
You can use the -o expand option to ensure that vxdg moves all disks on which the
specified objects are configured. Take care when doing this as the result may not always
be what you expect. You can use the listmove operation with vxdg to help you establish
what is the self-contained set of objects that corresponds to a specified set of objects.
Caution Before moving volumes between disk groups, stop all applications that are
accessing the volumes, and unmount all file systems that are configured on
these volumes.
Source Disk Group Target Disk Group
join
Target Disk Group
After
join